回答英语问题：1.The little boy ran until he was blue in

回答英语问题：1.The little boy ran until he was blue in回答英语问题：1.The little boy ran until he was blue in the face.What does the Chinese for“blue in the face”here mean?2.Which word becomes SMALLER when you ADD(增加)two letters to it?3.If you cut off the head of a fox,it's won't die.It will become a larger animal.Why?4.I am a bird.But I have no heart.I don't eat.But I never die.What am